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Project Overview We are seeking an experienced full-stack engineering team to develop and deploy a high-performance, responsive global web application and utility platform. The entire frontend must be built from scratch using clean, semantic React.js and Tailwind CSS, supported by a robust, secure Node.js and [login to view URL] backend architecture. This project enforces a strict Zero-Plugin / Zero-Template Policy. All performance optimization, state management, and asset delivery must be engineered natively within the codebase to guarantee uncompromised speed and stability. Core Scope of Work & Functional Requirements 1. Frontend UI Execution (React.js & Tailwind CSS): o Development of an 8-page fully responsive architecture using fluid typography and strict grid alignments. o Integration of dynamic client-facing components, including interactive resource-scaling sliders and multi-input cost estimation forms. o Implementation of native dark-mode styling utilizing specific, predefined design tokens and hex codes. 2. Backend Architecture & APIs (Node.js & [login to view URL]): o Development of an automated Geolocation IP filtering mechanism to handle regional user categorization. o Integration of dynamic calculation engines to process multi-input form variables and output real-time structural cost matrices. o Deployment of an isolated lead qualification layer that captures and routes communication data via external webhooks without bottlenecking public core application routes. 3. Payment & Deployment Gateways: o Full integration of dual-currency payment gateway APIs (Stripe and domestic localized checkout hooks) to handle single-pass transaction processing and secure checkout callbacks. o Secure deployment preparation on cloud container pools with streamlined version control. Strict Performance Benchmarks • The production application must achieve a native Mobile Core Web Vitals Largest Contentful Paint (LCP) 1.2 seconds. • Target Mobile PageSpeed score must consistently benchmark at 95+ across Chrome, Safari, Firefox, and Edge browser engines without relying on third-party optimization libraries or plugins. Collaboration & Compliance Onboarding Workflow To protect proprietary data, structural logic, and system infrastructure parameters, our development roadmap utilizes a strict compliance gate: • Step 1: Scope & Estimate Confirmation: Review these functional guidelines and confirm your fixed budget alignment. • Step 2: Formal Mutual NDA Generation: Provide the full legal names of your lead developer and participating team engineers. A formal Mutual NDA will be generated and dispatched via email. • Step 3: Technical Handoff: Upon receipt of the executed agreement, Milestone 1 will be funded, and your team's GitHub handles will be whitelisted for access to our private organization monorepo containing detailed wireframes, architecture blueprints, and API documentation.
Project ID: 40543897
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105 freelancers are bidding on average ₹934 INR/hour for this job

₹900 INR in 30 days
7.2
7.2

Hi there! I can help you build your high-performance Full-Stack Web Application from scratch using React.js, Node.js, and Tailwind CSS. I have solid experience with full-stack engineering and API development, and I completely respect your zero-plugin, zero-template policy. I will ensure all native components, geolocation IP filtering, isolated lead qualification layers, and dual-currency checkouts are engineered flawlessly to hit your strict 95+ PageSpeed benchmark. Let's connect to get the NDA squared away so we can jump straight into the monorepo! Best regards, Nikhil Chandra Roy
₹1,000 INR in 40 days
6.3
6.3

Hi. I'm lead developer at our end-to-end Website, mobile Application development and digital marketing firm. With extensive expertise and over 6 years of experience in MERN Stack, especially React.js and Node.js, we have built numerous highly responsive and high-performance web applications. In fact, 'Zero-Plugin / Zero-Template Policy' rings a bell for us as we've relentlessly focused on writing clean code to guarantee speed, stability and page score optimization; sans third-party optimizations. The functionalities you seek such as Geolocation IP filtering mechanism, real-time structural cost matrices computation from multi-input form variables, native dark-mode styling using specific design tokens and hex codes etc., are all within our technical comfort zone. We recognize the criticality of functional precision in such a resource scaling UI anticipating 8-page full responsiveness architecture. In terms of deployment experience, we have mastered streamlining version control that includes cloud container pools for secure deployment. Our commitment to quality will ensure that not just speed but also security is never compromised. Once the formal mutual NDA stages are completed we guarantee optimal collaboration and compliance by timely addressing your queries and concerns as committed.
₹1,000 INR in 48 days
5.7
5.7

As a reputable and seasoned Full-Stack Developer backed by more than a decade-long of successful projects including heavyweight platforms for enterprises, I am eager to bring my specialized skills and unique AI-focused approach to your MERN project. My arsenal of AI-powered development tools - Cursor, Claude Code, and GitHub Copilot - empowers me to write cleaner, optimized code for scalable web apps, which ultimately means faster turnaround times for you. With an impressive track record of building globally-deployed web applications from scratch using React.js and Node.js while integrating diverse services such as IP filtering mechanisms and dual-currency payment gateways. My extensive experience aligns well with the core scope you've laid out, and I have successfully integrated similar features in previous projects. Additionally, my deployment preparation on cloud container pools with streamlined version control will ensure a secure and efficient infrastructure for your app.
₹750 INR in 40 days
5.3
5.3

I’ve built React frontends and Node.js backends with strict performance needs before, including apps with custom state management and no reliance on plugins. For your project, I’d start by breaking down the UI into the 8 pages with fluid typography and well-defined grids in Tailwind CSS—making sure dark mode uses your exact design tokens. On the backend, setting up the IP geolocation filtering and dynamic calculation engines will require precise, asynchronous logic to avoid bottlenecks. For lead qualification, I suggest isolating webhook calls in separate background processes to keep public routes fast. Have you already selected the dual-currency payment gateways’ APIs? I can ensure the integration handles real-time transaction processing with secure callbacks. Meeting Core Web Vitals under 1.2 seconds LCP without third-party plugins is demanding but achievable with native code splitting and asset optimization. I’d also prepare containerized deployment with version control as per your specs. If you’d like, I can begin drafting a detailed scope aligned with your milestones and NDA process. Ready to get started as soon as you share the monorepo access.
₹1,250 INR in 7 days
5.1
5.1

Hi there, Your biggest challenge isn't building an 8-page React app—it's achieving the strict performance targets while keeping a completely custom, plugin-free architecture. I've built full-stack MVPs with React, Node.js, Tailwind, and API-first architecture, so I focus on clean code, scalable backend design, and performance from day one rather than optimizing at the end. I have two quick questions to make sure we're on the same page: 1. Does the Zero-Plugin policy also exclude common React ecosystem libraries, or only UI/templates and optimization plugins? 2. Are the wireframes and API specifications already finalized in the private monorepo, or are they still evolving? Let’s discuss your project now!
₹850 INR in 40 days
4.9
4.9

As a seasoned developer with extensive experience in developing robust and scalable web applications, I am confident in my ability to meet and exceed your project's expectations. My expertise lies in crafting high-performance full-stack solutions which aligns perfectly with your project requirements – from designing complex, responsive UI using React.js and Tailwind CSS to building secure backend architectures with Node.js and Express.js. My portfolio boasts numerous examples of how I've delivered exactly what my clients needed even when it didn't seem possible. This is particularly relevant for your project, where you require a zero-plugin, zero-template policy along with strict performance benchmarks. In fact, it is my obsession with optimizing performance natively within the codebase that differentiates me from others. Additionally, my proven track record of successful projects that adhere to deadlines showcases my commitment to on-time quality delivery – a commitment that I'm well-prepared to bring into this project. All of this combined makes me the ultimate fit for your global web application deployment project. Let's start building something exceptional together.
₹1,000 INR in 40 days
4.7
4.7

Hi there, Your zero-plugin policy and LCP <1.2s / 95+ PageSpeed targets are demanding — but achievable when performance is engineered natively from day one, which is exactly how we work. For the 8-page React + Tailwind UI, we hand-tune fluid typography, code-split routes, preload critical assets, and ship custom hooks for the resource-scaling sliders and cost-estimation forms — no UI kits, no optimization plugins. On the backend, we would scaffold Node/Express with an isolated webhook receiver (a separate worker or sub-app) so lead capture never touches public routes, pair it with geoip-lite for IP filtering, and build the calculation engine as a pure, testable module. Deployment targets a container pool (Docker) with CI hooks wired to your monorepo. Two quick questions: which domestic payment provider(s) should we pair with Stripe, and do you have specific hex codes/tokens for the dark-mode palette? Happy to walk through the NDA flow and milestone plan on a call. Can we have a quick chat to discuss more about this project? Looking forward to hearing from you. Regards, Naveed
₹1,000 INR in 40 days
4.7
4.7

Hi, Your project requires more than just development—it needs a solid architecture that delivers performance, scalability, and maintainability from day one. With **8+ years of experience** building enterprise applications using **React, Node.js, Express, Tailwind CSS, PostgreSQL, Docker, and AWS**, I can help deliver exactly that. I'm comfortable working under a **Zero-Plugin/Zero-Template** approach, building clean, optimized code from scratch while meeting strict performance targets. I have experience with payment gateway integrations (Stripe), complex calculation engines, secure APIs, and responsive React applications. I'm happy to review the scope, provide a fixed estimate, sign the NDA, and collaborate through your GitHub workflow. I believe in clear communication, clean code, and delivering solutions built for long-term growth. I'd be glad to discuss the architecture and next steps.
₹750 INR in 40 days
4.6
4.6

Hello, This project requires more than just development—it requires secure architecture and deployment. Many developers can build and deploy applications, but often overlook security hardening, secrets management, container isolation, access controls, rate limiting, and infrastructure security, which can lead to vulnerabilities and costly issues later. With my DevOps and full-stack experience, I focus on both functionality and production-grade security from day one. I am comfortable working under NDA and can assist with architecture review, secure deployment, CI/CD, containerization, monitoring, and long-term maintainability. Choosing the right engineer at the beginning can save significant time, cost, and security risks down the road. Thank you.
₹1,000 INR in 40 days
4.3
4.3

Hello, I'm Karthik, a Full-Stack Solution Architect with 15+ years of experience delivering high-performance MERN applications for global businesses. Your Zero-Plugin/Zero-Template requirement aligns perfectly with our development approach—we build clean, maintainable code from the ground up with performance and scalability as top priorities. Our team will develop your 8-page React.js + Tailwind CSS frontend with responsive layouts, dynamic calculators, resource sliders, native dark mode, and optimized state management. The Node.js/Express backend will include secure REST APIs, geolocation IP filtering, real-time calculation engines, webhook-based lead routing, and dual-currency payment integration (Stripe + local gateways). We have extensive experience with: ✔ React.js, Tailwind CSS, Node.js & Express ✔ Custom API & webhook integrations ✔ Docker, GitHub Actions, AWS/GCP deployment ✔ Performance optimization achieving excellent Core Web Vitals ✔ Secure coding, CI/CD, testing & scalable architecture We're happy to sign your Mutual NDA, work within your GitHub workflow, and follow milestone-based Agile delivery with complete documentation and transparent communication throughout the project. I look forward to discussing the scope, budget, and execution plan. Best Regards, Karthik
₹1,250 INR in 40 days
4.2
4.2

Hi there, Building a high-performance, responsive web application with zero compromises on speed and stability requires a robust, SaaS-ready architecture—exactly where my expertise lies. With 10+ years as a Sr. Full-Stack Developer and 100+ long-term AMC clients under my belt, I specialize in crafting modular, scalable, and secure solutions tailored to your technical benchmarks. Your project’s requirements—native React.js & Tailwind CSS frontend, a secure Node.js/Express.js backend, and dual-currency payment gateways—align perfectly with my recent SaaS and fintech builds. I’ll ensure semantic, clean code, optimized for Core Web Vitals (LCP <1.2s) and PageSpeed scores >95 across all browsers, without relying on third-party plugins or templates. My approach includes automated geolocation filtering, dynamic calculation engines, and isolated lead qualification layers for seamless scalability. Let’s start with a quick discovery call to confirm scope, align on compliance, and outline a 3-step roadmap: estimate confirmation, NDA execution, and technical handoff. Are you available for a 10-minute diagnostic discussion tomorrow? Kamal Kr
₹1,000 INR in 40 days
3.7
3.7

Hi, I have experience building production-ready full-stack applications using React, Tailwind CSS, Node.js, Express, PostgreSQL, REST APIs, Stripe integrations, and cloud deployments. I can build a clean, high-performance application from scratch, follow your zero-plugin requirements where practical, and I'm happy to work under an NDA and collaborate through your GitHub workflow. Thanks, Anshuman
₹1,100 INR in 40 days
3.6
3.6

With over 14 years of experience, I am confident that my skills and expertise are an excellent match for your Full-Stack Web Application Deployment project. As a seasoned developer, I've successfully completed more than 416 projects like this and consistently delivered high-quality results. I am skilled in the MERN stack, specifically in React.js and Node.js which makes me a good fit for your requirement. Your strict Zero-Plugin / Zero-Template Policy aligns perfectly with my development approach. My deep understanding of front-end UI execution particularly using React.js and Tailwind CSS empowers me to create highly responsive, well-designed interfaces from scratch. Alongside clean coding practices, I focus on performance optimization to guarantee uncompromised speed and stability, which seems to be a core requirement for your project. Additionally, I bring to the table extensive experience in backend architecture development and APIs handling such as automated Geolocation IP filtering mechanism, dynamic calculation engines, secure deployment preparation including payment and deployment gateways integration with the likes of Stripe. As a full-stack developer with a wide range of skills from database management (MongoDB) to cloud hosting expertise (AWS, Azure), rest assured that I can handle every aspect of your web application development project professionally and proficiently.
₹1,000 INR in 40 days
3.6
3.6

With my extensive experience in building practical web solutions, I am confident that I can deliver the high-performing global web application and utility platform your project demands. My proficiency in HTML5 and Tailwind CSS ensure that I can build the entire frontend adhering to the strict Zero-Plugin/Zero-Template Policy while guaranteeing a clean and semantic codebase for unparalleled speed and stability. Additionally, my expertise in React.js and Node.js ensures a powerful frontend user interface execution and a robust backend architecture integrated with dynamic client-facing components and automated mechanisms like geolocation IP filtering and calculation engines. These features will help realise the vision of your app with real-time cost matrices, interactive resource-scaling sliders, and more. The success of this project lies not just on successful deployment but also on future maintainability of the codebase. My commitment to writing clean, maintainable code aligns perfectly with your project scope. Finally, my excellent communication skills will guarantee seamless collaboration throughout the lifecycle of the project. I truly believe in developing solutions that enhance businesses' performance, usability, and long-term value; hire me today, let's get started!
₹750 INR in 40 days
2.9
2.9

I can deliver a fully custom React + Tailwind + Node.js/Express platform built under your zero-template/zero-plugin constraints, with performance-first engineering, secure API architecture, responsive UI, payment integration, and cloud deployment readiness. The solution will prioritize clean code, scalability, Core Web Vitals optimization, and a maintainable architecture designed for long-term growth.
₹1,000 INR in 40 days
2.8
2.8

Hello, Thank you for sharing the project details. We’re confident in delivering a fully custom React.js + Tailwind frontend and Node.js/Express backend aligned with your Zero-Plugin policy and performance goals. We’re comfortable with your onboarding process (scope confirmation → NDA → technical handoff) and available to discuss budget, timeline, and milestone structure. Looking forward to collaborating.
₹850 INR in 40 days
2.5
2.5

Hi, I'm Md Shahid Ansari, a full‑stack developer and AI engineer with 2+ years building MERN apps from scratch. I’ll create the 8‑page React UI with Tailwind, fluid typography, grid, and native dark‑mode using your tokens. I’ll write clean state management without any plugins, and implement geolocation IP filtering, real‑time calculation engine, and a lead‑qualification webhook layer in Node/Express. I have integrated Stripe and regional payment APIs in DMginie and Bid Agent, and containerized deployments with Docker for seamless cloud rollout. My work on Finance LLM Translator and Academix AI required strict performance tuning, consistently hitting LCP ≈ 1.1 s and PageSpeed 95%. I’ll follow your NDA process, use the provided GitHub handles, and keep communication transparent. Looking forward to delivering a fast, stable, and secure platform.
₹750 INR in 40 days
1.9
1.9

With over 1 year of experience in full-stack web development specializing in the MERN stack with React and Node.js, I am confident I can deliver the high-performance, responsive global web application you seek. My skills in building robust RESTful APIs, secure JWT authentication, structured routing, and efficient MongoDB schemas allow me to design and deploy backend systems that are both fast and reliable. My ability to understand complex business requirements and translate them into structured algorithms and data tracking also ensures that your functional needs will be met to the last detail. I share your Zero-Plugin / Zero-Template Policy, vowing to engineer all performance optimization and asset delivery natively to guarantee speed and stability. Moreover, my meticulous approach aligns seamlessly with your compliance gate as I prioritize disciplined execution and logical design paths. Your proprietary data will remain fully protected, just as it should be. If you want a developer who values tidy system structures, reliable communication, and skillful problem-solving to take on your project head-on, look no further! Let's transform your vision into an exceptional reality together.
₹750 INR in 40 days
0.6
0.6

Hey, React, Node.js, Tailwind CSS, and performance-optimized full-stack builds are my daily stack, and I can deliver this without plugins or templates. You can review my work here: https://www.freelancer.pk/u/UmairBuildsAI My plan for your project: Build the 8-page frontend in React with Tailwind CSS using your design tokens and hex codes, fluid typography, dark mode, interactive sliders, and cost estimation forms built natively. Node.js and Express backend with geolocation IP filtering, dynamic calculation engines for real-time cost matrices, and an isolated lead qualification webhook layer. Stripe and localized payment gateway integration with secure checkout callbacks. Deployed on cloud containers with version control, optimized to hit LCP under 1.2 seconds and 95+ PageSpeed on mobile across all major browsers. Happy to sign an NDA and review the wireframes and architecture blueprints before Milestone 1 is funded. Happy to jump on a quick call to confirm scope alignment before we proceed. Best Regards, Umair
₹750 INR in 40 days
0.0
0.0

srikakulam, India
Member since Jun 24, 2026
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